/* eslint-disable */
/*! iScroll v5.2.0 ~ (c) 2008-2016 Matteo Spinelli ~ http://cubiq.org/license */
(function(window, document, Math) {
	var rAF = window.requestAnimationFrame || window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame || window.oRequestAnimationFrame || window.msRequestAnimationFrame ||
	function(callback) {
		window.setTimeout(callback, 1000 / 60);
	};

	var utils = (function() {
		var me = {};

		var _elementStyle = document.createElement('div').style;
		var _vendor = (function() {
			var vendors = ['t', 'webkitT', 'MozT', 'msT', 'OT'], transform, i = 0, l = vendors.length;

			for (; i < l; i++) {
				transform = vendors[i] + 'ransform';
				if ( transform in _elementStyle)
					return vendors[i].substr(0, vendors[i].length - 1);
			}

			return false;
		})();

		function _prefixStyle(style) {
			if (_vendor === false)
				return false;
			if (_vendor === '')
				return style;
			return _vendor + style.charAt(0).toUpperCase() + style.substr(1);
		}


		me.getTime = Date.now ||
		function getTime() {
			return new Date().getTime();
		};

		me.extend = function(target, obj) {
			for (var i in obj ) {
				target[i] = obj[i];
			}
		};

		me.addEvent = function(el, type, fn, capture) {
			el.addEventListener(type, fn, !!capture);
		};

		me.removeEvent = function(el, type, fn, capture) {
			el.removeEventListener(type, fn, !!capture);
		};

		me.prefixPointerEvent = function(pointerEvent) {
			return window.MSPointerEvent ? 'MSPointer' + pointerEvent.charAt(7).toUpperCase() + pointerEvent.substr(8) : pointerEvent;
		};

		me.momentum = function(current, start, time, lowerMargin, wrapperSize, deceleration) {
			var distance = current - start, speed = Math.abs(distance) / time, destination, duration;

			deceleration = deceleration === undefined ? 0.0006 : deceleration;

			destination = current + (speed * speed ) / (2 * deceleration ) * (distance < 0 ? -1 : 1 );
			duration = speed / deceleration;

			if (destination < lowerMargin) {
				destination = wrapperSize ? lowerMargin - (wrapperSize / 2.5 * (speed / 8 ) ) : lowerMargin;
				distance = Math.abs(destination - current);
				duration = distance / speed;
			} else if (destination > 0) {
				destination = wrapperSize ? wrapperSize / 2.5 * (speed / 8 ) : 0;
				distance = Math.abs(current) + destination;
				duration = distance / speed;
			}

			return {
				destination : Math.round(destination),
				duration : duration
			};
		};

		var _transform = _prefixStyle('transform');

		me.extend(me, {
			hasTransform : _transform !== false,
			hasPerspective : _prefixStyle('perspective') in _elementStyle,
			hasTouch : 'ontouchstart' in window,
			hasPointer : !!(window.PointerEvent || window.MSPointerEvent), // IE10 is prefixed
			hasTransition : _prefixStyle('transition') in _elementStyle
		});

		/*
		 This should find all Android browsers lower than build 535.19 (both stock browser and webview)
		 - galaxy S2 is ok
		 - 2.3.6 : `AppleWebKit/533.1 (KHTML, like Gecko) Version/4.0 Mobile Safari/533.1`
		 - 4.0.4 : `AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30`
		 - galaxy S3 is badAndroid (stock brower, webview)
		 `AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30`
		 - galaxy S4 is badAndroid (stock brower, webview)
		 `AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30`
		 - galaxy S5 is OK
		 `AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Mobile Safari/537.36 (Chrome/)`
		 - galaxy S6 is OK
		 `AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Mobile Safari/537.36 (Chrome/)`
		 */
		me.isBadAndroid = (function() {
			var appVersion = window.navigator.appVersion;
			// Android browser is not a chrome browser.
			if (/Android/.test(appVersion) && !(/Chrome\/\d/.test(appVersion))) {
				var safariVersion = appVersion.match(/Safari\/(\d+.\d)/);
				if (safariVersion && typeof safariVersion === "object" && safariVersion.length >= 2) {
					return parseFloat(safariVersion[1]) < 535.19;
				} else {
					return true;
				}
			} else {
				return false;
			}
		})();

		me.extend(me.style = {}, {
			transform : _transform,
			transitionTimingFunction : _prefixStyle('transitionTimingFunction'),
			transitionDuration : _prefixStyle('transitionDuration'),
			transitionDelay : _prefixStyle('transitionDelay'),
			transformOrigin : _prefixStyle('transformOrigin')
		});

		me.hasClass = function(e, c) {
			var re = new RegExp("(^|\\s)" + c + "(\\s|$)");
			return re.test(e.className);
		};

		me.addClass = function(e, c) {
			if (me.hasClass(e, c)) {
				return;
			}

			var newclass = e.className.split(' ');
			newclass.push(c);
			e.className = newclass.join(' ');
		};

		me.removeClass = function(e, c) {
			if (!me.hasClass(e, c)) {
				return;
			}

			var re = new RegExp("(^|\\s)" + c + "(\\s|$)", 'g');
			e.className = e.className.replace(re, ' ');
		};

		me.offset = function(el) {
			var left = -el.offsetLeft, top = -el.offsetTop;

			// jshint -W084
			while ( el = el.offsetParent) {
				left -= el.offsetLeft;
				top -= el.offsetTop;
			}
			// jshint +W084

			return {
				left : left,
				top : top
			};
		};

		me.preventDefaultException = function(el, exceptions) {
			for (var i in exceptions ) {
				if (exceptions[i].test(el[i])) {
					return true;
				}
			}

			return false;
		};

		me.extend(me.eventType = {}, {
			touchstart : 1,
			touchmove : 1,
			touchend : 1,

			mousedown : 2,
			mousemove : 2,
			mouseup : 2,

			pointerdown : 3,
			pointermove : 3,
			pointerup : 3,

			MSPointerDown : 3,
			MSPointerMove : 3,
			MSPointerUp : 3
		});

		me.extend(me.ease = {}, {
			quadratic : {
				style : 'cubic-bezier(0.25, 0.46, 0.45, 0.94)',
				fn : function(k) {
					return k * (2 - k );
				}
			},
			circular : {
				style : 'cubic-bezier(0.1, 0.57, 0.1, 1)', // Not properly "circular" but this looks better, it should be (0.075, 0.82, 0.165, 1)
				fn : function(k) {
					return Math.sqrt(1 - (--k * k ));
				}
			},
			back : {
				style : 'cubic-bezier(0.175, 0.885, 0.32, 1.275)',
				fn : function(k) {
					var b = 4;
					return ( k = k - 1 ) * k * ((b + 1 ) * k + b ) + 1;
				}
			},
			bounce : {
				style : '',
				fn : function(k) {
					if ((k /= 1 ) < (1 / 2.75 )) {
						return 7.5625 * k * k;
					} else if (k < (2 / 2.75 )) {
						return 7.5625 * (k -= (1.5 / 2.75 ) ) * k + 0.75;
					} else if (k < (2.5 / 2.75 )) {
						return 7.5625 * (k -= (2.25 / 2.75 ) ) * k + 0.9375;
					} else {
						return 7.5625 * (k -= (2.625 / 2.75 ) ) * k + 0.984375;
					}
				}
			},
			elastic : {
				style : '',
				fn : function(k) {
					var f = 0.22, e = 0.4;

					if (k === 0) {
						return 0;
					}
					if (k == 1) {
						return 1;
					}

					return (e * Math.pow(2, -10 * k) * Math.sin((k - f / 4 ) * (2 * Math.PI ) / f) + 1 );
				}
			}
		});

		me.tap = function(e, eventName) {
			var ev = document.createEvent('Event');
			ev.initEvent(eventName, true, true);
			ev.pageX = e.pageX;
			ev.pageY = e.pageY;
			e.target.dispatchEvent(ev);
		};

		me.click = function(e) {
			var target = e.target, ev;

			if (!(/(SELECT|INPUT|TEXTAREA)/i).test(target.tagName)) {
				// https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/initMouseEvent
				// initMouseEvent is deprecated.
				ev = document.createEvent(window.MouseEvent ? 'MouseEvents' : 'Event');
				ev.initEvent('click', true, true);
				ev.view = e.view || window;
				ev.detail = 1;
				ev.screenX = target.screenX || 0;
				ev.screenY = target.screenY || 0;
				ev.clientX = target.clientX || 0;
				ev.clientY = target.clientY || 0;
				ev.ctrlKey = !!e.ctrlKey;
				ev.altKey = !!e.altKey;
				ev.shiftKey = !!e.shiftKey;
				ev.metaKey = !!e.metaKey;
				ev.button = 0;
				ev.relatedTarget = null;
				ev._constructed = true;
				target.dispatchEvent(ev);
			}
		};

		return me;
	})();
	function IScroll(el, options) {
		this.wrapper = typeof el == 'string' ? document.querySelector(el) : el;
		this.scroller = this.wrapper.children[0];
		this.scrollerStyle = this.scroller.style;
		// cache style for better performance

		this.options = {

			resizeScrollbars : true,

			mouseWheelSpeed : 20,

			snapThreshold : 0.334,

			// INSERT POINT: OPTIONS
			/*disablePointer : !utils.hasPointer,
			 disableTouch : utils.hasPointer || !utils.hasTouch,
			 disableMouse : utils.hasPointer || utils.hasTouch,*/
			disablePointer : true,
			disableTouch : !utils.hasTouch,
			disableMouse : utils.hasTouch,
			startX : 0,
			startY : 0,
			scrollY : true,
			directionLockThreshold : 5,
			momentum : true,

			bounce : true,
			bounceTime : 600,
			bounceEasing : '',

			preventDefault : true,
			preventDefaultException : {
				tagName : /^(INPUT|TEXTAREA|BUTTON|SELECT)$/
			},

			HWCompositing : true,
			useTransition : true,
			useTransform : true,
			bindToWrapper : typeof window.onmousedown === "undefined"
		};

		for (var i in options ) {
			this.options[i] = options[i];
		}

		// Normalize options
		this.translateZ = this.options.HWCompositing && utils.hasPerspective ? ' translateZ(0)' : '';

		this.options.useTransition = utils.hasTransition && this.options.useTransition;
		this.options.useTransform = utils.hasTransform && this.options.useTransform;

		this.options.eventPassthrough = this.options.eventPassthrough === true ? 'vertical' : this.options.eventPassthrough;
		this.options.preventDefault = !this.options.eventPassthrough && this.options.preventDefault;

		// If you want eventPassthrough I have to lock one of the axes
		this.options.scrollY = this.options.eventPassthrough == 'vertical' ? false : this.options.scrollY;
		this.options.scrollX = this.options.eventPassthrough == 'horizontal' ? false : this.options.scrollX;

		// With eventPassthrough we also need lockDirection mechanism
		this.options.freeScroll = this.options.freeScroll && !this.options.eventPassthrough;
		this.options.directionLockThreshold = this.options.eventPassthrough ? 0 : this.options.directionLockThreshold;

		this.options.bounceEasing = typeof this.options.bounceEasing == 'string' ? utils.ease[this.options.bounceEasing] || utils.ease.circular : this.options.bounceEasing;

		this.options.resizePolling = this.options.resizePolling === undefined ? 60 : this.options.resizePolling;

		if (this.options.tap === true) {
			this.options.tap = 'tap';
		}

		// https://github.com/cubiq/iscroll/issues/1029
		if (!this.options.useTransition && !this.options.useTransform) {
			if (!(/relative|absolute/i).test(this.scrollerStyle.position)) {
				this.scrollerStyle.position = "relative";
			}
		}

		if (this.options.shrinkScrollbars == 'scale') {
			this.options.useTransition = false;
		}

		this.options.invertWheelDirection = this.options.invertWheelDirection ? -1 : 1;

		if (this.options.probeType == 3) {
			this.options.useTransition = false;
		}

		// INSERT POINT: NORMALIZATION

		// Some defaults
		this.x = 0;
		this.y = 0;
		this.directionX = 0;
		this.directionY = 0;
		this._events = {};

		// INSERT POINT: DEFAULTS

		this._init();
		this.refresh();

		this.scrollTo(this.options.startX, this.options.startY);
		this.enable();
	}


	IScroll.prototype = {
		version : '5.2.0',

		_init : function() {
			this._initEvents();

			if (this.options.scrollbars || this.options.indicators) {
				this._initIndicators();
			}

			if (this.options.mouseWheel) {
				this._initWheel();
			}

			if (this.options.snap) {
				this._initSnap();
			}

			if (this.options.keyBindings) {
				this._initKeys();
			}

			// INSERT POINT: _init

		},

		destroy : function() {
			this._initEvents(true);
			clearTimeout(this.resizeTimeout);
			this.resizeTimeout = null;
			this._execEvent('destroy');
		},

		_transitionEnd : function(e) {
			if (e.target != this.scroller || !this.isInTransition) {
				return;
			}

			this._transitionTime();
			if (!this.resetPosition(this.options.bounceTime)) {
				this.isInTransition = false;
				this._execEvent('scrollEnd');
			}
		},

		_start : function(e) {
			// React to left mouse button only
			if (utils.eventType[e.type] != 1) {
				// for button property
				// http://unixpapa.com/js/mouse.html
				var button;
				if (!e.which) {
					/* IE case */
					button = (e.button < 2) ? 0 : ((e.button == 4) ? 1 : 2);
				} else {
					/* All others */
					button = e.button;
				}
				if (button !== 0) {
					return;
				}
			}

			if (!this.enabled || (this.initiated && utils.eventType[e.type] !== this.initiated)) {
				return;
			}

			if (this.options.preventDefault && !utils.isBadAndroid && !utils.preventDefaultException(e.target, this.options.preventDefaultException)) {
				e.preventDefault();
			}

			var point = e.touches ? e.touches[0] : e, pos;

			this.initiated = utils.eventType[e.type];
			this.moved = false;
			this.distX = 0;
			this.distY = 0;
			this.directionX = 0;
			this.directionY = 0;
			this.directionLocked = 0;

			this.startTime = utils.getTime();

			if (this.options.useTransition && this.isInTransition) {
				this._transitionTime();
				this.isInTransition = false;
				pos = this.getComputedPosition();
				this._translate(Math.round(pos.x), Math.round(pos.y));
				this._execEvent('scrollEnd');
			} else if (!this.options.useTransition && this.isAnimating) {
				this.isAnimating = false;
				this._execEvent('scrollEnd');
			}

			this.startX = this.x;
			this.startY = this.y;
			this.absStartX = this.x;
			this.absStartY = this.y;
			this.pointX = point.pageX;
			this.pointY = point.pageY;

			this._execEvent('beforeScrollStart');
		},

		_move : function(e) {
			if (!this.enabled || utils.eventType[e.type] !== this.initiated) {
				return;
			}

			if (this.options.preventDefault) {// increases performance on Android? TODO: check!
				e.preventDefault();
			}

			var point = e.touches ? e.touches[0] : e, deltaX = point.pageX - this.pointX, deltaY = point.pageY - this.pointY, timestamp = utils.getTime(), newX, newY, absDistX, absDistY;

			this.pointX = point.pageX;
			this.pointY = point.pageY;

			this.distX += deltaX;
			this.distY += deltaY;
			absDistX = Math.abs(this.distX);
			absDistY = Math.abs(this.distY);

			// We need to move at least 10 pixels for the scrolling to initiate
			if (timestamp - this.endTime > 300 && (absDistX < 10 && absDistY < 10)) {
				return;
			}

			// If you are scrolling in one direction lock the other
			if (!this.directionLocked && !this.options.freeScroll) {
				if (absDistX > absDistY + this.options.directionLockThreshold) {
					this.directionLocked = 'h';
					// lock horizontally
				} else if (absDistY >= absDistX + this.options.directionLockThreshold) {
					this.directionLocked = 'v';
					// lock vertically
				} else {
					this.directionLocked = 'n';
					// no lock
				}
			}

			if (this.directionLocked == 'h') {
				if (this.options.eventPassthrough == 'vertical') {
					e.preventDefault();
				} else if (this.options.eventPassthrough == 'horizontal') {
					this.initiated = false;
					return;
				}

				deltaY = 0;
			} else if (this.directionLocked == 'v') {
				if (this.options.eventPassthrough == 'horizontal') {
					e.preventDefault();
				} else if (this.options.eventPassthrough == 'vertical') {
					this.initiated = false;
					return;
				}

				deltaX = 0;
			}

			deltaX = this.hasHorizontalScroll ? deltaX : 0;
			deltaY = this.hasVerticalScroll ? deltaY : 0;

			newX = this.x + deltaX;
			newY = this.y + deltaY;

			// Slow down if outside of the boundaries
			if (newX > 0 || newX < this.maxScrollX) {
				newX = this.options.bounce ? this.x + deltaX / 3 : newX > 0 ? 0 : this.maxScrollX;
			}
			if (newY > 0 || newY < this.maxScrollY) {
				newY = this.options.bounce ? this.y + deltaY / 3 : newY > 0 ? 0 : this.maxScrollY;
			}

			this.directionX = deltaX > 0 ? -1 : deltaX < 0 ? 1 : 0;
			this.directionY = deltaY > 0 ? -1 : deltaY < 0 ? 1 : 0;

			if (!this.moved) {
				this._execEvent('scrollStart');
			}

			this.moved = true;

			this._translate(newX, newY);

			/* REPLACE START: _move */
			if (timestamp - this.startTime > 300) {
				this.startTime = timestamp;
				this.startX = this.x;
				this.startY = this.y;

				if (this.options.probeType == 1) {
					this._execEvent('scroll');
				}
			}

			if (this.options.probeType > 1) {
				this._execEvent('scroll');
			}
			/* REPLACE END: _move */

		},

		_end : function(e) {
			if (!this.enabled || utils.eventType[e.type] !== this.initiated) {
				return;
			}

			if (this.options.preventDefault && !utils.preventDefaultException(e.target, this.options.preventDefaultException)) {
				e.preventDefault();
			}

			var point = e.changedTouches ? e.changedTouches[0] : e, momentumX, momentumY, duration = utils.getTime() - this.startTime, newX = Math.round(this.x), newY = Math.round(this.y), distanceX = Math.abs(newX - this.startX), distanceY = Math.abs(newY - this.startY), time = 0, easing = '';

			this.isInTransition = 0;
			this.initiated = 0;
			this.endTime = utils.getTime();

			// reset if we are outside of the boundaries
			if (this.resetPosition(this.options.bounceTime)) {
				return;
			}

			this.scrollTo(newX, newY);
			// ensures that the last position is rounded

			// we scrolled less than 10 pixels
			if (!this.moved) {
				if (this.options.tap) {
					utils.tap(e, this.options.tap);
				}

				if (this.options.click) {
					utils.click(e);
				}

				this._execEvent('scrollCancel');
				return;
			}

			if (this._events.flick && duration < 200 && distanceX < 100 && distanceY < 100) {
				this._execEvent('flick');
				return;
			}

			// start momentum animation if needed
			if (this.options.momentum && duration < 300) {
				momentumX = this.hasHorizontalScroll ? utils.momentum(this.x, this.startX, duration, this.maxScrollX, this.options.bounce ? this.wrapperWidth : 0, this.options.deceleration) : {
					destination : newX,
					duration : 0
				};
				momentumY = this.hasVerticalScroll ? utils.momentum(this.y, this.startY, duration, this.maxScrollY, this.options.bounce ? this.wrapperHeight : 0, this.options.deceleration) : {
					destination : newY,
					duration : 0
				};
				newX = momentumX.destination;
				newY = momentumY.destination;
				time = Math.max(momentumX.duration, momentumY.duration);
				this.isInTransition = 1;
			}

			if (this.options.snap) {
				var snap = this._nearestSnap(newX, newY);
				this.currentPage = snap;
				time = this.options.snapSpeed || Math.max(Math.max(Math.min(Math.abs(newX - snap.x), 1000), Math.min(Math.abs(newY - snap.y), 1000)), 300);
				newX = snap.x;
				newY = snap.y;

				this.directionX = 0;
				this.directionY = 0;
				easing = this.options.bounceEasing;
			}

			// INSERT POINT: _end

			if (newX != this.x || newY != this.y) {
				// change easing function when scroller goes out of the boundaries
				if (newX > 0 || newX < this.maxScrollX || newY > 0 || newY < this.maxScrollY) {
					easing = utils.ease.quadratic;
				}

				this.scrollTo(newX, newY, time, easing);
				return;
			}

			this._execEvent('scrollEnd');
		},

		_resize : function() {
			var that = this;

			clearTimeout(this.resizeTimeout);

			this.resizeTimeout = setTimeout(function() {
				that.refresh();
			}, this.options.resizePolling);
		},

		resetPosition : function(time) {
			var x = this.x, y = this.y;

			time = time || 0;

			if (!this.hasHorizontalScroll || this.x > 0) {
				x = 0;
			} else if (this.x < this.maxScrollX) {
				x = this.maxScrollX;
			}

			if (!this.hasVerticalScroll || this.y > 0) {
				y = 0;
			} else if (this.y < this.maxScrollY) {
				y = this.maxScrollY;
			}

			if (x == this.x && y == this.y) {
				return false;
			}

			this.scrollTo(x, y, time, this.options.bounceEasing);

			return true;
		},

		disable : function() {
			this.enabled = false;
		},

		enable : function() {
			this.enabled = true;
		},

		refresh : function() {
			var rf = this.wrapper.offsetHeight;
			// Force reflow

			this.wrapperWidth = this.wrapper.clientWidth;
			this.wrapperHeight = this.wrapper.clientHeight;

			/* REPLACE START: refresh */

			this.scrollerWidth = this.scroller.offsetWidth;
			this.scrollerHeight = this.scroller.offsetHeight;

			this.maxScrollX = this.wrapperWidth - this.scrollerWidth;
			this.maxScrollY = this.wrapperHeight - this.scrollerHeight;

			/* REPLACE END: refresh */

			this.hasHorizontalScroll = this.options.scrollX && this.maxScrollX < 0;
			this.hasVerticalScroll = this.options.scrollY && this.maxScrollY < 0;

			if (!this.hasHorizontalScroll) {
				this.maxScrollX = 0;
				this.scrollerWidth = this.wrapperWidth;
			}

			if (!this.hasVerticalScroll) {
				this.maxScrollY = 0;
				this.scrollerHeight = this.wrapperHeight;
			}

			this.endTime = 0;
			this.directionX = 0;
			this.directionY = 0;

			this.wrapperOffset = utils.offset(this.wrapper);

			this._execEvent('refresh');

			this.resetPosition();

			// INSERT POINT: _refresh

		},

		on : function(type, fn) {
			if (!this._events[type]) {
				this._events[type] = [];
			}

			this._events[type].push(fn);
		},

		off : function(type, fn) {
			if (!this._events[type]) {
				return;
			}

			var index = this._events[type].indexOf(fn);

			if (index > -1) {
				this._events[type].splice(index, 1);
			}
		},

		_execEvent : function(type) {
			if (!this._events[type]) {
				return;
			}

			var i = 0, l = this._events[type].length;

			if (!l) {
				return;
			}

			for (; i < l; i++) {
				this._events[type][i].apply(this, [].slice.call(arguments, 1));
			}
		},

		scrollBy : function(x, y, time, easing) {
			x = this.x + x;
			y = this.y + y;
			time = time || 0;

			this.scrollTo(x, y, time, easing);
		},

		scrollTo : function(x, y, time, easing) {
			easing = easing || utils.ease.circular;

			this.isInTransition = this.options.useTransition && time > 0;
			var transitionType = this.options.useTransition && easing.style;
			if (!time || transitionType) {
				if (transitionType) {
					this._transitionTimingFunction(easing.style);
					this._transitionTime(time);
				}
				this._translate(x, y);
			} else {
				this._animate(x, y, time, easing.fn);
			}
		},

		scrollToElement : function(el, time, offsetX, offsetY, easing) {
			el = el.nodeType ? el : this.scroller.querySelector(el);

			if (!el) {
				return;
			}

			var pos = utils.offset(el);

			pos.left -= this.wrapperOffset.left;
			pos.top -= this.wrapperOffset.top;

			// if offsetX/Y are true we center the element to the screen
			if (offsetX === true) {
				offsetX = Math.round(el.offsetWidth / 2 - this.wrapper.offsetWidth / 2);
			}
			if (offsetY === true) {
				offsetY = Math.round(el.offsetHeight / 2 - this.wrapper.offsetHeight / 2);
			}

			pos.left -= offsetX || 0;
			pos.top -= offsetY || 0;

			pos.left = pos.left > 0 ? 0 : pos.left < this.maxScrollX ? this.maxScrollX : pos.left;
			pos.top = pos.top > 0 ? 0 : pos.top < this.maxScrollY ? this.maxScrollY : pos.top;

			time = time === undefined || time === null || time === 'auto' ? Math.max(Math.abs(this.x - pos.left), Math.abs(this.y - pos.top)) : time;

			this.scrollTo(pos.left, pos.top, time, easing);
		},

		_transitionTime : function(time) {
			if (!this.options.useTransition) {
				return;
			}
			time = time || 0;
			var durationProp = utils.style.transitionDuration;
			if (!durationProp) {
				return;
			}

			this.scrollerStyle[durationProp] = time + 'ms';

			if (!time && utils.isBadAndroid) {
				this.scrollerStyle[durationProp] = '0.0001ms';
				// remove 0.0001ms
				var self = this;
				rAF(function() {
					if (self.scrollerStyle[durationProp] === '0.0001ms') {
						self.scrollerStyle[durationProp] = '0s';
					}
				});
			}

			if (this.indicators) {
				for (var i = this.indicators.length; i--; ) {
					this.indicators[i].transitionTime(time);
				}
			}

			// INSERT POINT: _transitionTime

		},

		_transitionTimingFunction : function(easing) {
			this.scrollerStyle[utils.style.transitionTimingFunction] = easing;

			if (this.indicators) {
				for (var i = this.indicators.length; i--; ) {
					this.indicators[i].transitionTimingFunction(easing);
				}
			}

			// INSERT POINT: _transitionTimingFunction

		},

		_translate : function(x, y) {
			if (this.options.useTransform) {

				/* REPLACE START: _translate */

				this.scrollerStyle[utils.style.transform] = 'translate(' + x + 'px,' + y + 'px)' + this.translateZ;

				/* REPLACE END: _translate */

			} else {
				x = Math.round(x);
				y = Math.round(y);
				this.scrollerStyle.left = x + 'px';
				this.scrollerStyle.top = y + 'px';
			}

			this.x = x;
			this.y = y;

			if (this.indicators) {
				for (var i = this.indicators.length; i--; ) {
					this.indicators[i].updatePosition();
				}
			}

			// INSERT POINT: _translate

		},

		_initEvents : function(remove) {
			var eventType = remove ? utils.removeEvent : utils.addEvent, target = this.options.bindToWrapper ? this.wrapper : window;

			eventType(window, 'orientationchange', this);
			eventType(window, 'resize', this);

			if (this.options.click) {
				eventType(this.wrapper, 'click', this, true);
			}

			if (!this.options.disableMouse) {
				eventType(this.wrapper, 'mousedown', this);
				eventType(target, 'mousemove', this);
				eventType(target, 'mousecancel', this);
				eventType(target, 'mouseup', this);
			}

			if (utils.hasPointer && !this.options.disablePointer) {
				eventType(this.wrapper, utils.prefixPointerEvent('pointerdown'), this);
				eventType(target, utils.prefixPointerEvent('pointermove'), this);
				eventType(target, utils.prefixPointerEvent('pointercancel'), this);
				eventType(target, utils.prefixPointerEvent('pointerup'), this);
			}

			if (utils.hasTouch && !this.options.disableTouch) {
				eventType(this.wrapper, 'touchstart', this);
				eventType(target, 'touchmove', this);
				eventType(target, 'touchcancel', this);
				eventType(target, 'touchend', this);
			}

			eventType(this.scroller, 'transitionend', this);
			eventType(this.scroller, 'webkitTransitionEnd', this);
			eventType(this.scroller, 'oTransitionEnd', this);
			eventType(this.scroller, 'MSTransitionEnd', this);
		},

		getComputedPosition : function() {
			var matrix = window.getComputedStyle(this.scroller, null), x, y;

			if (this.options.useTransform) {
				matrix = matrix[utils.style.transform].split(')')[0].split(', ');
				x = +(matrix[12] || matrix[4]);
				y = +(matrix[13] || matrix[5]);
			} else {
				x = +matrix.left.replace(/[^-\d.]/g, '');
				y = +matrix.top.replace(/[^-\d.]/g, '');
			}

			return {
				x : x,
				y : y
			};
		},
		_initIndicators : function() {
			var interactive = this.options.interactiveScrollbars, customStyle = typeof this.options.scrollbars != 'string', indicators = [], indicator;

			var that = this;

			this.indicators = [];

			if (this.options.scrollbars) {
				// Vertical scrollbar
				if (this.options.scrollY) {
					indicator = {
						el : createDefaultScrollbar('v', interactive, this.options.scrollbars),
						interactive : interactive,
						defaultScrollbars : true,
						customStyle : customStyle,
						resize : this.options.resizeScrollbars,
						shrink : this.options.shrinkScrollbars,
						fade : this.options.fadeScrollbars,
						listenX : false
					};

					this.wrapper.appendChild(indicator.el);
					indicators.push(indicator);
				}

				// Horizontal scrollbar
				if (this.options.scrollX) {
					indicator = {
						el : createDefaultScrollbar('h', interactive, this.options.scrollbars),
						interactive : interactive,
						defaultScrollbars : true,
						customStyle : customStyle,
						resize : this.options.resizeScrollbars,
						shrink : this.options.shrinkScrollbars,
						fade : this.options.fadeScrollbars,
						listenY : false
					};

					this.wrapper.appendChild(indicator.el);
					indicators.push(indicator);
				}
			}

			if (this.options.indicators) {
				// TODO: check concat compatibility
				indicators = indicators.concat(this.options.indicators);
			}

			for (var i = indicators.length; i--; ) {
				this.indicators.push(new Indicator(this, indicators[i]));
			}

			// TODO: check if we can use array.map (wide compatibility and performance issues)
			function _indicatorsMap(fn) {
				if (that.indicators) {
					for (var i = that.indicators.length; i--; ) {
						fn.call(that.indicators[i]);
					}
				}
			}

			if (this.options.fadeScrollbars) {
				this.on('scrollEnd', function() {
					_indicatorsMap(function() {
						this.fade();
					});
				});

				this.on('scrollCancel', function() {
					_indicatorsMap(function() {
						this.fade();
					});
				});

				this.on('scrollStart', function() {
					_indicatorsMap(function() {
						this.fade(1);
					});
				});

				this.on('beforeScrollStart', function() {
					_indicatorsMap(function() {
						this.fade(1, true);
					});
				});
			}

			this.on('refresh', function() {
				_indicatorsMap(function() {
					this.refresh();
				});
			});

			this.on('destroy', function() {
				_indicatorsMap(function() {
					this.destroy();
				});
				delete this.indicators;
			});
		},

		_initWheel : function() {
			utils.addEvent(this.wrapper, 'wheel', this);
			utils.addEvent(this.wrapper, 'mousewheel', this);
			utils.addEvent(this.wrapper, 'DOMMouseScroll', this);

			this.on('destroy', function() {
				clearTimeout(this.wheelTimeout);
				this.wheelTimeout = null;
				utils.removeEvent(this.wrapper, 'wheel', this);
				utils.removeEvent(this.wrapper, 'mousewheel', this);
				utils.removeEvent(this.wrapper, 'DOMMouseScroll', this);
			});
		},

		_wheel : function(e) {
			if (!this.enabled) {
				return;
			}

			e.preventDefault();

			var wheelDeltaX, wheelDeltaY, newX, newY, that = this;

			if (this.wheelTimeout === undefined) {
				that._execEvent('scrollStart');
			}

			// Execute the scrollEnd event after 400ms the wheel stopped scrolling
			clearTimeout(this.wheelTimeout);
			this.wheelTimeout = setTimeout(function() {
				if (!that.options.snap) {
					that._execEvent('scrollEnd');
				}
				that.wheelTimeout = undefined;
			}, 400);

			if ('deltaX' in e) {
				if (e.deltaMode === 1) {
					wheelDeltaX = -e.deltaX * this.options.mouseWheelSpeed;
					wheelDeltaY = -e.deltaY * this.options.mouseWheelSpeed;
				} else {
					wheelDeltaX = -e.deltaX;
					wheelDeltaY = -e.deltaY;
				}
			} else if ('wheelDeltaX' in e) {
				wheelDeltaX = e.wheelDeltaX / 120 * this.options.mouseWheelSpeed;
				wheelDeltaY = e.wheelDeltaY / 120 * this.options.mouseWheelSpeed;
			} else if ('wheelDelta' in e) {
				wheelDeltaX = wheelDeltaY = e.wheelDelta / 120 * this.options.mouseWheelSpeed;
			} else if ('detail' in e) {
				wheelDeltaX = wheelDeltaY = -e.detail / 3 * this.options.mouseWheelSpeed;
			} else {
				return;
			}

			wheelDeltaX *= this.options.invertWheelDirection;
			wheelDeltaY *= this.options.invertWheelDirection;

			if (!this.hasVerticalScroll) {
				wheelDeltaX = wheelDeltaY;
				wheelDeltaY = 0;
			}

			if (this.options.snap) {
				newX = this.currentPage.pageX;
				newY = this.currentPage.pageY;

				if (wheelDeltaX > 0) {
					newX--;
				} else if (wheelDeltaX < 0) {
					newX++;
				}

				if (wheelDeltaY > 0) {
					newY--;
				} else if (wheelDeltaY < 0) {
					newY++;
				}

				this.goToPage(newX, newY);

				return;
			}

			newX = this.x + Math.round(this.hasHorizontalScroll ? wheelDeltaX : 0);
			newY = this.y + Math.round(this.hasVerticalScroll ? wheelDeltaY : 0);

			this.directionX = wheelDeltaX > 0 ? -1 : wheelDeltaX < 0 ? 1 : 0;
			this.directionY = wheelDeltaY > 0 ? -1 : wheelDeltaY < 0 ? 1 : 0;

			if (newX > 0) {
				newX = 0;
			} else if (newX < this.maxScrollX) {
				newX = this.maxScrollX;
			}

			if (newY > 0) {
				newY = 0;
			} else if (newY < this.maxScrollY) {
				newY = this.maxScrollY;
			}

			this.scrollTo(newX, newY, 0);

			if (this.options.probeType > 1) {
				this._execEvent('scroll');
			}

			// INSERT POINT: _wheel
		},

		_initSnap : function() {
			this.currentPage = {};

			if ( typeof this.options.snap == 'string') {
				this.options.snap = this.scroller.querySelectorAll(this.options.snap);
			}

			this.on('refresh', function() {
				var i = 0, l, m = 0, n, cx, cy, x = 0, y, stepX = this.options.snapStepX || this.wrapperWidth, stepY = this.options.snapStepY || this.wrapperHeight, el;

				this.pages = [];

				if (!this.wrapperWidth || !this.wrapperHeight || !this.scrollerWidth || !this.scrollerHeight) {
					return;
				}

				if (this.options.snap === true) {
					cx = Math.round(stepX / 2);
					cy = Math.round(stepY / 2);

					while (x > -this.scrollerWidth) {
						this.pages[i] = [];
						l = 0;
						y = 0;

						while (y > -this.scrollerHeight) {
							this.pages[i][l] = {
								x : Math.max(x, this.maxScrollX),
								y : Math.max(y, this.maxScrollY),
								width : stepX,
								height : stepY,
								cx : x - cx,
								cy : y - cy
							};

							y -= stepY;
							l++;
						}

						x -= stepX;
						i++;
					}
				} else {
					el = this.options.snap;
					l = el.length;
					n = -1;

					for (; i < l; i++) {
						if (i === 0 || el[i].offsetLeft <= el[i - 1].offsetLeft) {
							m = 0;
							n++;
						}

						if (!this.pages[m]) {
							this.pages[m] = [];
						}

						x = Math.max(-el[i].offsetLeft, this.maxScrollX);
						y = Math.max(-el[i].offsetTop, this.maxScrollY);
						cx = x - Math.round(el[i].offsetWidth / 2);
						cy = y - Math.round(el[i].offsetHeight / 2);

						this.pages[m][n] = {
							x : x,
							y : y,
							width : el[i].offsetWidth,
							height : el[i].offsetHeight,
							cx : cx,
							cy : cy
						};

						if (x > this.maxScrollX) {
							m++;
						}
					}
				}

				this.goToPage(this.currentPage.pageX || 0, this.currentPage.pageY || 0, 0);

				// Update snap threshold if needed
				if (this.options.snapThreshold % 1 === 0) {
					this.snapThresholdX = this.options.snapThreshold;
					this.snapThresholdY = this.options.snapThreshold;
				} else {
					this.snapThresholdX = Math.round(this.pages[this.currentPage.pageX][this.currentPage.pageY].width * this.options.snapThreshold);
					this.snapThresholdY = Math.round(this.pages[this.currentPage.pageX][this.currentPage.pageY].height * this.options.snapThreshold);
				}
			});

			this.on('flick', function() {
				var time = this.options.snapSpeed || Math.max(Math.max(Math.min(Math.abs(this.x - this.startX), 1000), Math.min(Math.abs(this.y - this.startY), 1000)), 300);

				this.goToPage(this.currentPage.pageX + this.directionX, this.currentPage.pageY + this.directionY, time);
			});
		},

		_nearestSnap : function(x, y) {
			if (!this.pages.length) {
				return {
					x : 0,
					y : 0,
					pageX : 0,
					pageY : 0
				};
			}

			var i = 0, l = this.pages.length, m = 0;

			// Check if we exceeded the snap threshold
			if (Math.abs(x - this.absStartX) < this.snapThresholdX && Math.abs(y - this.absStartY) < this.snapThresholdY) {
				return this.currentPage;
			}

			if (x > 0) {
				x = 0;
			} else if (x < this.maxScrollX) {
				x = this.maxScrollX;
			}

			if (y > 0) {
				y = 0;
			} else if (y < this.maxScrollY) {
				y = this.maxScrollY;
			}

			for (; i < l; i++) {
				if (x >= this.pages[i][0].cx) {
					x = this.pages[i][0].x;
					break;
				}
			}

			l = this.pages[i].length;

			for (; m < l; m++) {
				if (y >= this.pages[0][m].cy) {
					y = this.pages[0][m].y;
					break;
				}
			}

			if (i == this.currentPage.pageX) {
				i += this.directionX;

				if (i < 0) {
					i = 0;
				} else if (i >= this.pages.length) {
					i = this.pages.length - 1;
				}

				x = this.pages[i][0].x;
			}

			if (m == this.currentPage.pageY) {
				m += this.directionY;

				if (m < 0) {
					m = 0;
				} else if (m >= this.pages[0].length) {
					m = this.pages[0].length - 1;
				}

				y = this.pages[0][m].y;
			}

			return {
				x : x,
				y : y,
				pageX : i,
				pageY : m
			};
		},

		goToPage : function(x, y, time, easing) {
			easing = easing || this.options.bounceEasing;

			if (x >= this.pages.length) {
				x = this.pages.length - 1;
			} else if (x < 0) {
				x = 0;
			}

			if (y >= this.pages[x].length) {
				y = this.pages[x].length - 1;
			} else if (y < 0) {
				y = 0;
			}

			var posX = this.pages[x][y].x, posY = this.pages[x][y].y;

			time = time === undefined ? this.options.snapSpeed || Math.max(Math.max(Math.min(Math.abs(posX - this.x), 1000), Math.min(Math.abs(posY - this.y), 1000)), 300) : time;

			this.currentPage = {
				x : posX,
				y : posY,
				pageX : x,
				pageY : y
			};

			this.scrollTo(posX, posY, time, easing);
		},

		next : function(time, easing) {
			var x = this.currentPage.pageX, y = this.currentPage.pageY;

			x++;

			if (x >= this.pages.length && this.hasVerticalScroll) {
				x = 0;
				y++;
			}

			this.goToPage(x, y, time, easing);
		},

		prev : function(time, easing) {
			var x = this.currentPage.pageX, y = this.currentPage.pageY;

			x--;

			if (x < 0 && this.hasVerticalScroll) {
				x = 0;
				y--;
			}

			this.goToPage(x, y, time, easing);
		},

		_initKeys : function(e) {
			// default key bindings
			var keys = {
				pageUp : 33,
				pageDown : 34,
				end : 35,
				home : 36,
				left : 37,
				up : 38,
				right : 39,
				down : 40
			};
			var i;

			// if you give me characters I give you keycode
			if ( typeof this.options.keyBindings == 'object') {
				for (i in this.options.keyBindings ) {
					if ( typeof this.options.keyBindings[i] == 'string') {
						this.options.keyBindings[i] = this.options.keyBindings[i].toUpperCase().charCodeAt(0);
					}
				}
			} else {
				this.options.keyBindings = {};
			}

			for (i in keys ) {
				this.options.keyBindings[i] = this.options.keyBindings[i] || keys[i];
			}

			utils.addEvent(window, 'keydown', this);

			this.on('destroy', function() {
				utils.removeEvent(window, 'keydown', this);
			});
		},

		_key : function(e) {
			if (!this.enabled) {
				return;
			}

			var snap = this.options.snap, // we are using this alot, better to cache it
			newX = snap ? this.currentPage.pageX : this.x, newY = snap ? this.currentPage.pageY : this.y, now = utils.getTime(), prevTime = this.keyTime || 0, acceleration = 0.250, pos;

			if (this.options.useTransition && this.isInTransition) {
				pos = this.getComputedPosition();

				this._translate(Math.round(pos.x), Math.round(pos.y));
				this.isInTransition = false;
			}

			this.keyAcceleration = now - prevTime < 200 ? Math.min(this.keyAcceleration + acceleration, 50) : 0;

			switch ( e.keyCode ) {
				case this.options.keyBindings.pageUp:
					if (this.hasHorizontalScroll && !this.hasVerticalScroll) {
						newX += snap ? 1 : this.wrapperWidth;
					} else {
						newY += snap ? 1 : this.wrapperHeight;
					}
					break;
				case this.options.keyBindings.pageDown:
					if (this.hasHorizontalScroll && !this.hasVerticalScroll) {
						newX -= snap ? 1 : this.wrapperWidth;
					} else {
						newY -= snap ? 1 : this.wrapperHeight;
					}
					break;
				case this.options.keyBindings.end:
					newX = snap ? this.pages.length - 1 : this.maxScrollX;
					newY = snap ? this.pages[0].length - 1 : this.maxScrollY;
					break;
				case this.options.keyBindings.home:
					newX = 0;
					newY = 0;
					break;
				case this.options.keyBindings.left:
					newX += snap ? -1 : 5 + this.keyAcceleration >> 0;
					break;
				case this.options.keyBindings.up:
					newY += snap ? 1 : 5 + this.keyAcceleration >> 0;
					break;
				case this.options.keyBindings.right:
					newX -= snap ? -1 : 5 + this.keyAcceleration >> 0;
					break;
				case this.options.keyBindings.down:
					newY -= snap ? 1 : 5 + this.keyAcceleration >> 0;
					break;
				default:
					return;
			}

			if (snap) {
				this.goToPage(newX, newY);
				return;
			}

			if (newX > 0) {
				newX = 0;
				this.keyAcceleration = 0;
			} else if (newX < this.maxScrollX) {
				newX = this.maxScrollX;
				this.keyAcceleration = 0;
			}

			if (newY > 0) {
				newY = 0;
				this.keyAcceleration = 0;
			} else if (newY < this.maxScrollY) {
				newY = this.maxScrollY;
				this.keyAcceleration = 0;
			}

			this.scrollTo(newX, newY, 0);

			this.keyTime = now;
		},

		_animate : function(destX, destY, duration, easingFn) {
			var that = this, startX = this.x, startY = this.y, startTime = utils.getTime(), destTime = startTime + duration;

			function step() {
				var now = utils.getTime(), newX, newY, easing;

				if (now >= destTime) {
					that.isAnimating = false;
					that._translate(destX, destY);

					if (!that.resetPosition(that.options.bounceTime)) {
						that._execEvent('scrollEnd');
					}

					return;
				}

				now = (now - startTime ) / duration;
				easing = easingFn(now);
				newX = (destX - startX ) * easing + startX;
				newY = (destY - startY ) * easing + startY;
				that._translate(newX, newY);

				if (that.isAnimating) {
					rAF(step);
				}

				if (that.options.probeType == 3) {
					that._execEvent('scroll');
				}
			}


			this.isAnimating = true;
			step();
		},

		handleEvent : function(e) {
			switch ( e.type ) {
				case 'touchstart':
				case 'pointerdown':
				case 'MSPointerDown':
				case 'mousedown':
					this._start(e);
					break;
				case 'touchmove':
				case 'pointermove':
				case 'MSPointerMove':
				case 'mousemove':
					this._move(e);
					break;
				case 'touchend':
				case 'pointerup':
				case 'MSPointerUp':
				case 'mouseup':
				case 'touchcancel':
				case 'pointercancel':
				case 'MSPointerCancel':
				case 'mousecancel':
					this._end(e);
					break;
				case 'orientationchange':
				case 'resize':
					this._resize();
					break;
				case 'transitionend':
				case 'webkitTransitionEnd':
				case 'oTransitionEnd':
				case 'MSTransitionEnd':
					this._transitionEnd(e);
					break;
				case 'wheel':
				case 'DOMMouseScroll':
				case 'mousewheel':
					this._wheel(e);
					break;
				case 'keydown':
					this._key(e);
					break;
				case 'click':
					if (this.enabled && !e._constructed) {
						e.preventDefault();
						e.stopPropagation();
					}
					break;
			}
		}
	};
	function createDefaultScrollbar(direction, interactive, type) {
		var scrollbar = document.createElement('div'), indicator = document.createElement('div');

		if (type === true) {
			scrollbar.style.cssText = 'position:absolute;z-index:9999';
			indicator.style.cssText = '-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box;position:absolute;background:rgba(0,0,0,0.5);border:1px solid rgba(255,255,255,0.9);border-radius:3px';
		}

		indicator.className = 'iScrollIndicator';

		if (direction == 'h') {
			if (type === true) {
				scrollbar.style.cssText += ';height:7px;left:2px;right:2px;bottom:0';
				indicator.style.height = '100%';
			}
			scrollbar.className = 'iScrollHorizontalScrollbar';
		} else {
			if (type === true) {
				scrollbar.style.cssText += ';width:7px;bottom:2px;top:2px;right:1px';
				indicator.style.width = '100%';
			}
			scrollbar.className = 'iScrollVerticalScrollbar';
		}

		scrollbar.style.cssText += ';overflow:hidden';

		if (!interactive) {
			scrollbar.style.pointerEvents = 'none';
		}

		scrollbar.appendChild(indicator);

		return scrollbar;
	}

	function Indicator(scroller, options) {
		this.wrapper = typeof options.el == 'string' ? document.querySelector(options.el) : options.el;
		this.wrapperStyle = this.wrapper.style;
		this.indicator = this.wrapper.children[0];
		this.indicatorStyle = this.indicator.style;
		this.scroller = scroller;

		this.options = {
			listenX : true,
			listenY : true,
			interactive : false,
			resize : true,
			defaultScrollbars : false,
			shrink : false,
			fade : false,
			speedRatioX : 0,
			speedRatioY : 0
		};

		for (var i in options ) {
			this.options[i] = options[i];
		}

		this.sizeRatioX = 1;
		this.sizeRatioY = 1;
		this.maxPosX = 0;
		this.maxPosY = 0;

		if (this.options.interactive) {
			if (!this.options.disableTouch) {
				utils.addEvent(this.indicator, 'touchstart', this);
				utils.addEvent(window, 'touchend', this);
			}
			if (!this.options.disablePointer) {
				utils.addEvent(this.indicator, utils.prefixPointerEvent('pointerdown'), this);
				utils.addEvent(window, utils.prefixPointerEvent('pointerup'), this);
			}
			if (!this.options.disableMouse) {
				utils.addEvent(this.indicator, 'mousedown', this);
				utils.addEvent(window, 'mouseup', this);
			}
		}

		if (this.options.fade) {
			this.wrapperStyle[utils.style.transform] = this.scroller.translateZ;
			var durationProp = utils.style.transitionDuration;
			if (!durationProp) {
				return;
			}
			this.wrapperStyle[durationProp] = utils.isBadAndroid ? '0.0001ms' : '0ms';
			// remove 0.0001ms
			var self = this;
			if (utils.isBadAndroid) {
				rAF(function() {
					if (self.wrapperStyle[durationProp] === '0.0001ms') {
						self.wrapperStyle[durationProp] = '0s';
					}
				});
			}
			this.wrapperStyle.opacity = '0';
		}
	}


	Indicator.prototype = {
		handleEvent : function(e) {
			switch ( e.type ) {
				case 'touchstart':
				case 'pointerdown':
				case 'MSPointerDown':
				case 'mousedown':
					this._start(e);
					break;
				case 'touchmove':
				case 'pointermove':
				case 'MSPointerMove':
				case 'mousemove':
					this._move(e);
					break;
				case 'touchend':
				case 'pointerup':
				case 'MSPointerUp':
				case 'mouseup':
				case 'touchcancel':
				case 'pointercancel':
				case 'MSPointerCancel':
				case 'mousecancel':
					this._end(e);
					break;
			}
		},

		destroy : function() {
			if (this.options.fadeScrollbars) {
				clearTimeout(this.fadeTimeout);
				this.fadeTimeout = null;
			}
			if (this.options.interactive) {
				utils.removeEvent(this.indicator, 'touchstart', this);
				utils.removeEvent(this.indicator, utils.prefixPointerEvent('pointerdown'), this);
				utils.removeEvent(this.indicator, 'mousedown', this);

				utils.removeEvent(window, 'touchmove', this);
				utils.removeEvent(window, utils.prefixPointerEvent('pointermove'), this);
				utils.removeEvent(window, 'mousemove', this);

				utils.removeEvent(window, 'touchend', this);
				utils.removeEvent(window, utils.prefixPointerEvent('pointerup'), this);
				utils.removeEvent(window, 'mouseup', this);
			}

			if (this.options.defaultScrollbars) {
				this.wrapper.parentNode.removeChild(this.wrapper);
			}
		},

		_start : function(e) {
			var point = e.touches ? e.touches[0] : e;

			e.preventDefault();
			e.stopPropagation();

			this.transitionTime();

			this.initiated = true;
			this.moved = false;
			this.lastPointX = point.pageX;
			this.lastPointY = point.pageY;

			this.startTime = utils.getTime();

			if (!this.options.disableTouch) {
				utils.addEvent(window, 'touchmove', this);
			}
			if (!this.options.disablePointer) {
				utils.addEvent(window, utils.prefixPointerEvent('pointermove'), this);
			}
			if (!this.options.disableMouse) {
				utils.addEvent(window, 'mousemove', this);
			}

			this.scroller._execEvent('beforeScrollStart');
		},

		_move : function(e) {
			var point = e.touches ? e.touches[0] : e, deltaX, deltaY, newX, newY, timestamp = utils.getTime();

			if (!this.moved) {
				this.scroller._execEvent('scrollStart');
			}

			this.moved = true;

			deltaX = point.pageX - this.lastPointX;
			this.lastPointX = point.pageX;

			deltaY = point.pageY - this.lastPointY;
			this.lastPointY = point.pageY;

			newX = this.x + deltaX;
			newY = this.y + deltaY;

			this._pos(newX, newY);

			if (this.scroller.options.probeType == 1 && timestamp - this.startTime > 300) {
				this.startTime = timestamp;
				this.scroller._execEvent('scroll');
			} else if (this.scroller.options.probeType > 1) {
				this.scroller._execEvent('scroll');
			}

			// INSERT POINT: indicator._move

			e.preventDefault();
			e.stopPropagation();
		},

		_end : function(e) {
			if (!this.initiated) {
				return;
			}

			this.initiated = false;

			e.preventDefault();
			e.stopPropagation();

			utils.removeEvent(window, 'touchmove', this);
			utils.removeEvent(window, utils.prefixPointerEvent('pointermove'), this);
			utils.removeEvent(window, 'mousemove', this);

			if (this.scroller.options.snap) {
				var snap = this.scroller._nearestSnap(this.scroller.x, this.scroller.y);

				var time = this.options.snapSpeed || Math.max(Math.max(Math.min(Math.abs(this.scroller.x - snap.x), 1000), Math.min(Math.abs(this.scroller.y - snap.y), 1000)), 300);

				if (this.scroller.x != snap.x || this.scroller.y != snap.y) {
					this.scroller.directionX = 0;
					this.scroller.directionY = 0;
					this.scroller.currentPage = snap;
					this.scroller.scrollTo(snap.x, snap.y, time, this.scroller.options.bounceEasing);
				}
			}

			if (this.moved) {
				this.scroller._execEvent('scrollEnd');
			}
		},

		transitionTime : function(time) {
			time = time || 0;
			var durationProp = utils.style.transitionDuration;
			if (!durationProp) {
				return;
			}

			this.indicatorStyle[durationProp] = time + 'ms';

			if (!time && utils.isBadAndroid) {
				this.indicatorStyle[durationProp] = '0.0001ms';
				// remove 0.0001ms
				var self = this;
				rAF(function() {
					if (self.indicatorStyle[durationProp] === '0.0001ms') {
						self.indicatorStyle[durationProp] = '0s';
					}
				});
			}
		},

		transitionTimingFunction : function(easing) {
			this.indicatorStyle[utils.style.transitionTimingFunction] = easing;
		},

		refresh : function() {
			this.transitionTime();

			if (this.options.listenX && !this.options.listenY) {
				this.indicatorStyle.display = this.scroller.hasHorizontalScroll ? 'block' : 'none';
			} else if (this.options.listenY && !this.options.listenX) {
				this.indicatorStyle.display = this.scroller.hasVerticalScroll ? 'block' : 'none';
			} else {
				this.indicatorStyle.display = this.scroller.hasHorizontalScroll || this.scroller.hasVerticalScroll ? 'block' : 'none';
			}

			if (this.scroller.hasHorizontalScroll && this.scroller.hasVerticalScroll) {
				utils.addClass(this.wrapper, 'iScrollBothScrollbars');
				utils.removeClass(this.wrapper, 'iScrollLoneScrollbar');

				if (this.options.defaultScrollbars && this.options.customStyle) {
					if (this.options.listenX) {
						this.wrapper.style.right = '8px';
					} else {
						this.wrapper.style.bottom = '8px';
					}
				}
			} else {
				utils.removeClass(this.wrapper, 'iScrollBothScrollbars');
				utils.addClass(this.wrapper, 'iScrollLoneScrollbar');

				if (this.options.defaultScrollbars && this.options.customStyle) {
					if (this.options.listenX) {
						this.wrapper.style.right = '2px';
					} else {
						this.wrapper.style.bottom = '2px';
					}
				}
			}

			var r = this.wrapper.offsetHeight;
			// force refresh

			if (this.options.listenX) {
				this.wrapperWidth = this.wrapper.clientWidth;
				if (this.options.resize) {
					this.indicatorWidth = Math.max(Math.round(this.wrapperWidth * this.wrapperWidth / (this.scroller.scrollerWidth || this.wrapperWidth || 1)), 8);
					this.indicatorStyle.width = this.indicatorWidth + 'px';
				} else {
					this.indicatorWidth = this.indicator.clientWidth;
				}

				this.maxPosX = this.wrapperWidth - this.indicatorWidth;

				if (this.options.shrink == 'clip') {
					this.minBoundaryX = -this.indicatorWidth + 8;
					this.maxBoundaryX = this.wrapperWidth - 8;
				} else {
					this.minBoundaryX = 0;
					this.maxBoundaryX = this.maxPosX;
				}

				this.sizeRatioX = this.options.speedRatioX || (this.scroller.maxScrollX && (this.maxPosX / this.scroller.maxScrollX));
			}

			if (this.options.listenY) {
				this.wrapperHeight = this.wrapper.clientHeight;
				if (this.options.resize) {
					this.indicatorHeight = Math.max(Math.round(this.wrapperHeight * this.wrapperHeight / (this.scroller.scrollerHeight || this.wrapperHeight || 1)), 8);
					this.indicatorStyle.height = this.indicatorHeight + 'px';
				} else {
					this.indicatorHeight = this.indicator.clientHeight;
				}

				this.maxPosY = this.wrapperHeight - this.indicatorHeight;

				if (this.options.shrink == 'clip') {
					this.minBoundaryY = -this.indicatorHeight + 8;
					this.maxBoundaryY = this.wrapperHeight - 8;
				} else {
					this.minBoundaryY = 0;
					this.maxBoundaryY = this.maxPosY;
				}

				this.maxPosY = this.wrapperHeight - this.indicatorHeight;
				this.sizeRatioY = this.options.speedRatioY || (this.scroller.maxScrollY && (this.maxPosY / this.scroller.maxScrollY));
			}

			this.updatePosition();
		},

		updatePosition : function() {
			var x = this.options.listenX && Math.round(this.sizeRatioX * this.scroller.x) || 0, y = this.options.listenY && Math.round(this.sizeRatioY * this.scroller.y) || 0;

			if (!this.options.ignoreBoundaries) {
				if (x < this.minBoundaryX) {
					if (this.options.shrink == 'scale') {
						this.width = Math.max(this.indicatorWidth + x, 8);
						this.indicatorStyle.width = this.width + 'px';
					}
					x = this.minBoundaryX;
				} else if (x > this.maxBoundaryX) {
					if (this.options.shrink == 'scale') {
						this.width = Math.max(this.indicatorWidth - (x - this.maxPosX), 8);
						this.indicatorStyle.width = this.width + 'px';
						x = this.maxPosX + this.indicatorWidth - this.width;
					} else {
						x = this.maxBoundaryX;
					}
				} else if (this.options.shrink == 'scale' && this.width != this.indicatorWidth) {
					this.width = this.indicatorWidth;
					this.indicatorStyle.width = this.width + 'px';
				}

				if (y < this.minBoundaryY) {
					if (this.options.shrink == 'scale') {
						this.height = Math.max(this.indicatorHeight + y * 3, 8);
						this.indicatorStyle.height = this.height + 'px';
					}
					y = this.minBoundaryY;
				} else if (y > this.maxBoundaryY) {
					if (this.options.shrink == 'scale') {
						this.height = Math.max(this.indicatorHeight - (y - this.maxPosY) * 3, 8);
						this.indicatorStyle.height = this.height + 'px';
						y = this.maxPosY + this.indicatorHeight - this.height;
					} else {
						y = this.maxBoundaryY;
					}
				} else if (this.options.shrink == 'scale' && this.height != this.indicatorHeight) {
					this.height = this.indicatorHeight;
					this.indicatorStyle.height = this.height + 'px';
				}
			}

			this.x = x;
			this.y = y;

			if (this.scroller.options.useTransform) {
				this.indicatorStyle[utils.style.transform] = 'translate(' + x + 'px,' + y + 'px)' + this.scroller.translateZ;
			} else {
				this.indicatorStyle.left = x + 'px';
				this.indicatorStyle.top = y + 'px';
			}
		},

		_pos : function(x, y) {
			if (x < 0) {
				x = 0;
			} else if (x > this.maxPosX) {
				x = this.maxPosX;
			}

			if (y < 0) {
				y = 0;
			} else if (y > this.maxPosY) {
				y = this.maxPosY;
			}

			x = this.options.listenX ? Math.round(x / this.sizeRatioX) : this.scroller.x;
			y = this.options.listenY ? Math.round(y / this.sizeRatioY) : this.scroller.y;

			this.scroller.scrollTo(x, y);
		},

		fade : function(val, hold) {
			if (hold && !this.visible) {
				return;
			}

			clearTimeout(this.fadeTimeout);
			this.fadeTimeout = null;

			var time = val ? 250 : 500, delay = val ? 0 : 300;

			val = val ? '1' : '0';

			this.wrapperStyle[utils.style.transitionDuration] = time + 'ms';

			this.fadeTimeout = setTimeout((function(val) {
				this.wrapperStyle.opacity = val;
				this.visible = +val;
			}).bind(this, val), delay);
		}
	};

	IScroll.utils = utils;

	if ( typeof module != 'undefined' && module.exports) {
		module.exports = IScroll;
	} else if ( typeof define == 'function' && define.amd) {
		define(function() {
			return IScroll;
		});
	} else {
		window.IScroll = IScroll;
	}

})(window, document, Math);
